Home / 2,615.02-3,923.46-1,154

Finding the Fourth Proportional to 2,615.02, 3,923.46 and 1,154

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Solution

The fourth proportional to 2,615.02, 3,923.46 and 1,154 is: 1,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.02 : 3,923.46 = 1,154 : x
  2. Step 2: Convert to fraction form
    2,615.02/3,923.46 = 1,154/x
  3. Step 3: Cross multiply
    2,615.02x = 3,923.46 × 1,154
  4. Step 4: Simplify right side
    2,615.02x = 4,527,672.84
  5. Step 5: Solve for x
    x = 4,527,672.84/2,615.02
  6. Step 6: Final answer
    x = 1,731.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.